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Poster of aurora borealis images. It was assembled by me. Original images listed below: http://en.wikipedia.org/wiki/File:Northern_Lights_02.jpg http://en.wikipedia.org/wiki/File:Polarlicht_2.jpg http://en.wikipedia.org/wiki/File:Aurore_australe_-_Aurora_
Captions
user compiled (see file page) collection of images of Aurora Borealis & Aurora Australis